$groups = DB::table('groups') //＄groupsは変数にいれてるだけ ->leftJoin('users', 'groups.id', '=', 'users.group_id') ->select('groups.id', 'groups.name', DB::raw("count(users.group_id) as count")) ->groupBy('groups.id') ->get(); ・外部結合は leftjoin()(内部結合...
Laravelのトランザクション処理の基本と使用方法にご興味のある方にはこちらをおすすめします。Kinstaの知識ベースに答えがあります。
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